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IPTEK dan Manusia

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Blog, Updated at: 16:20
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Benua Australia

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Blog, Updated at: 03:36
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Benua Amerika

Blog, Updated at: 03:11
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Benua Afrika

Blog, Updated at: 02:56
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Benua Eropa

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Blog, Updated at: 14:43
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Benua Asia

Blog, Updated at: 02:21